Dr. Annie A. Yessaian, MD

  • Los Angeles, CA
  • Gynecologic oncologist
NPI1457356578PAC ID9335130970
Medicare services, 2024
214
Medicare patients, 2024
130
Part D claims, 2024
369
Publications
9
Hospital affiliations
4
Practice address
1516 San Pablo St, Los Angeles, CA 90033
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Urology - Nch Urology - HOPD

Acute Care Hospital outpatient department · Los Angeles, California

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Dr. Annie A. Yessaian is a gynecologic oncologist in Los Angeles, California

Dr. Yessaian practices at Urology - Nch Urology - HOPD in Los Angeles, California.

Dr. Yessaian's NPI, 1457356578, was assigned on June 15, 2005. Dr. Yessaian graduated from University of Baghdad College of Medicine in 1989. Dr. Yessaian holds California license A54703.

NPI and contact details
Medicare PAC ID
9335130970
NPI enumeration date
June 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Annie A. Yessaian practices at Urology - Nch Urology - HOPD in Los Angeles, California

Dr. Yessaian's primary practice is Urology - Nch Urology - HOPD, at 1516 San Pablo St, Los Angeles, CA 90033.

  • Urology - Nch Urology - HOPD
    1516 San Pablo St, Los Angeles, CA 90033

Source: Dmand AI Affiliation Data

Dr. Annie A. Yessaian is affiliated with 9 sites of care and 1 medical group

Dr. Yessaian's primary practice is Urology - Nch Urology - HOPD in Los Angeles, California. Dr. Yessaian is also affiliated with Los Angeles General Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Yessaian to 3 more hospitals, 2 hospital outpatient departments, 1 group practice or clinic and 1 other site, each named with a free account.

See all 10 affiliations for Dr. Yessaian

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Annie A. Yessaian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yessaian practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Urology - Nch Urology - HOPDAvailable with a free account
+8 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Annie A. Yessaian is one of 178 gynecologic oncologists in California

Gynecologic oncology is Dr. Yessaian's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Yessaian is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Yessaian's licenses on file in 4 states: California, Florida, Nevada and New York.

Specialties and state licenses

  • Gynecologic oncology, CaliforniaPrimaryLicense A54703 · 1995 to 2027 · taxonomy 207VX0201X
  • Florida license2016 to 2018
  • Nevada license2010 to 2013
  • New York license1997 to 2007

Clinical focus

Dmand AI lists hysterectomy and ovarian cyst among the conditions Dr. Yessaian treats.

Gynecologic oncologists near Dr. Yessaian

Counts of gynecologic oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Annie A. Yessaian billed Medicare for 214 services in 2024

CMS data shows 214 Medicare services from Dr. Yessaian across 4 procedure codes in 2024, all of them office visits, for 130 Medicare patients. Medicare paid $18,153 for them.

Medicare services, 2024214
Medicare patients130
Paid by Medicare$18,153
Procedure codes4

Dr. Yessaian's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1312024: 21463%

Where Dr. Yessaian's Medicare services took place, 2024

  • In an office16879%
  • In a facility4621%

Dr. Yessaian compared with the California median for gynecologic oncologists, 2024

  • Dr. Yessaian
  • California median
Medicare services
214vs 28024% below
Medicare patients
130vs 1227% above
Part D claims
242vs 386.4 times

Medians across 165 gynecologic oncologists in California with Dmand AI profiles that report each measure.

Dr. Yessaian's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Yessaian

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yessaian and other gynecologic oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Annie A. Yessaian treated 130 Medicare patients in 2024, average age 73

CMS counts 130 Medicare patients who saw Dr. Yessaian in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Yessaian's median patient age at 64, with 98% women.

Medicare patients, 2024130
Average age73
Average risk score1.85
Also on Medicaid41%

Dr. Yessaian's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Yessaian's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Cancer54%
  5. Diabetes38%
  6. Osteoporosis37%
  7. Anxiety31%
  8. Chronic kidney disease28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Yessaian's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women98%
  • Men1%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Annie A. Yessaian wrote 369 Medicare Part D claims in 2024

In 2024, Dr. Yessaian wrote 369 Medicare Part D claims for 83 patients. 84% of them were for generic drugs. CMS names the drug for 242 of them, across 15 drugs with 11 or more claims each, at $133,274 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.

Part D claims, 2024369
Drugs named by CMS15
Total drug cost$133,274
Part D patients83

Dr. Yessaian's Part D claims by kind of drug, 2024

  • Generic310 claims84%
  • Brand-name59 claims16%

Dr. Yessaian's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Yessaian's Part D claims, 2024

  • Opioids4%15 of 369 claims
  • Antibiotics11%41 of 369 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 402024: 242505%

Drugs named by CMS: 15 in 2024, 3 in 2023.

See all prescribing by Dr. Yessaian

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Annie A. Yessaian offers telehealth to Medicare patients

Dr. Yessaian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yessaian as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Annie A. Yessaian has 9 publications on record

Dmand AI links 9 papers to Dr. Yessaian, published from 2012 to 2019. 2012 was the busiest year, with 3. The most frequent topics are Endometrial Neoplasms, Hysterectomy and Lymph Node Excision. Dr. Yessaian has published most often in Gynecol Oncol. Dr. Yessaian's most frequent co-authors are Lynda D. Roman, MD, Erin Alison Blake, MD and Koji Matsuo, MD.

Papers9
Years published2012 to 2019

Dr. Yessaian's papers by year, 2012 to 2019

Topics Dr. Yessaian writes about most

  • Endometrial Neoplasms
  • Hysterectomy
  • Lymph Node Excision
  • Radiotherapy, Adjuvant
  • SEER Program
  • Uterine Cervical Neoplasms

Dr. Yessaian's most frequent co-authors

Recent publications by Dr. Yessaian

See all 9 publications and co-authors

See who Dr. Yessaian researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yessaian works with, so you can find a warm path to the right gynecologic oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Annie A. Yessaian received $4,255 in industry payments from 2018 to 2025

CMS Open Payments shows 18 general payments to Dr. Yessaian from 7 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 78% of the total. TESARO, Inc. paid the most, $3,370.

General payments to Dr. Yessaian by program year, 2018 to 2025

General payments to Dr. Yessaian by kind, 2018 to 2025

$4.3Kin total
  • Consulting fees$3,32578%
  • Food and beverage$51212%
  • Travel and lodging$40610%
  • Education$130%

Companies that paid Dr. Yessaian the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Yessaian

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Annie A. Yessaian has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Yessaian, most recently Top Doctor Award in 2016.

Awards and honors for Dr. Yessaian

  1. 2016
    • Top Doctor Award
  2. 2015
    • USC Dept of Obstetrics & Gynecology
  3. 2013
    • Top Doctors:LA Area

Source: Dmand AI Professional Profile Data

Dr. Annie A. Yessaian graduated from University of Baghdad College of Medicine

Dr. Yessaian graduated from University of Baghdad College of Medicine in 1989. Dr. Yessaian is a member of American College of Obstetricians and Gynecologists and Society Of Gynecological Oncology.

  1. Medical schoolUniversity of Baghdad College of Medicine
  2. Board certified in gynecologic oncologyAmerican Board of Obstetrics and Gynecology
  3. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Annie A. Yessaian accepts plans from 12 insurance carriers

Dr. Yessaian is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Yessaian accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Annie A. Yessaian's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Annie A. Yessaian

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Annie A. Yessaian's NPI number?

Dr. Annie A. Yessaian's NPI number is 1457356578. It was assigned on June 15, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Annie A. Yessaian?

Dr. Annie A. Yessaian is a gynecologic oncologist in Los Angeles, California. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).

Where does Dr. Annie A. Yessaian practice?

Dr. Yessaian practices at 1516 San Pablo St, Los Angeles, CA 90033. Dr. Yessaian's primary practice is Urology - Nch Urology - HOPD in Los Angeles, California. Dmand AI also links Dr. Yessaian to 3 hospitals, 2 hospital outpatient departments, 1 group practice or clinic and 1 other site.

What is Dr. Annie A. Yessaian's medical license number?

Dr. Yessaian holds California license A54703, one of the licenses on file in 4 states.

Which states has Dr. Annie A. Yessaian been licensed in?

Dmand AI has state licenses on file for Dr. Yessaian in California (1995 to 2027), Florida (2016 to 2018), Nevada (2010 to 2013) and New York (1997 to 2007).

Which hospitals is Dr. Annie A. Yessaian affiliated with?

Dr. Yessaian is affiliated with Los Angeles General Medical Center. Dmand AI links Dr. Yessaian to 3 more hospitals.

What medical group is Dr. Annie A. Yessaian part of?

Dr. Yessaian is linked to USC Care Medical Group.

Does Dr. Annie A. Yessaian accept Medicare?

Yes. CMS data shows Dr. Yessaian billed Medicare for 214 services in 2024, and Dr. Yessaian accepts Medicare assignment.

Does Dr. Annie A. Yessaian offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Yessaian as offering telehealth services.

How many Medicare patients does Dr. Annie A. Yessaian see?

CMS counts 130 Medicare patients who saw Dr. Yessaian in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Annie A. Yessaian board certified?

Yes. Dr. Yessaian is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology.

What services does Dr. Annie A. Yessaian bill to Medicare?

In 2024, Dr. Yessaian's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).

Where did Dr. Annie A. Yessaian go to medical school?

Dr. Yessaian graduated from University of Baghdad College of Medicine in 1989.

What drugs does Dr. Annie A. Yessaian prescribe most?

In 2024 Medicare Part D data, Dr. Yessaian's most prescribed drugs by claims were Estradiol, Nystatin and Gabapentin.

Has Dr. Annie A. Yessaian received payments from drug or device companies?

CMS Open Payments shows $4,255 in general payments to Dr. Yessaian from 7 companies from 2018 to 2025. The largest total came from TESARO, Inc.

How long has Dr. Annie A. Yessaian been practicing?

Dr. Yessaian graduated from medical school in 1989, 37 years ago.

Does Dr. Annie A. Yessaian do research?

Dmand AI links 9 publications to Dr. Yessaian, published from 2012 to 2019.

Who does Dr. Annie A. Yessaian publish with?

Dr. Yessaian's most frequent co-authors are Lynda D. Roman, MD (4 shared papers), Erin Alison Blake, MD (2 shared papers) and Koji Matsuo, MD (2 shared papers).

What insurance does Dr. Annie A. Yessaian accept?

Dr. Yessaian is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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